Finding the Fourth Proportional to 180,072.81, 248,204.12 and 127,702.26
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Solution
The fourth proportional to 180,072.81, 248,204.12 and 127,702.26 is: 176,018.95
Step by Step Solution
- Step 1: Write the proportion equation
180,072.81 : 248,204.12 = 127,702.26 : x - Step 2: Convert to fraction form
180,072.81/248,204.12 = 127,702.26/x - Step 3: Cross multiply
180,072.81x = 248,204.12 × 127,702.26 - Step 4: Simplify right side
180,072.81x = 31,696,226,426.80 - Step 5: Solve for x
x = 31,696,226,426.80/180,072.81 - Step 6: Final answer
x = 176,018.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.